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Simplifying -30 = 2 + -12r Solving -30 = 2 + -12r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '12r' to each side of the equation. -30 + 12r = 2 + -12r + 12r Combine like terms: -12r + 12r = 0 -30 + 12r = 2 + 0 -30 + 12r = 2 Add '30' to each side of the equation. -30 + 30 + 12r = 2 + 30 Combine like terms: -30 + 30 = 0 0 + 12r = 2 + 30 12r = 2 + 30 Combine like terms: 2 + 30 = 32 12r = 32 Divide each side by '12'. r = 2.666666667 Simplifying r = 2.666666667
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